var ChatStickerMsg = (function(){
    
    var _stickMsgTmp = [
        '<div>',
            '<img style="max-width:400px" src="<%= o.img %>" width="<%=o.width ? o.width : "auto" %>" height="<%=o.height ? o.height : "auto" %>" />',
        '</div>'
    ].join('');
    
    var _chatStickerMsg = (function ChatStickerMsg(){        
    }).extend(ChatMsg, 'ChatStickerMsg');
    
    _chatStickerMsg.prototype._init = function(){
        this.$wrapper.find('.chatMsgItemContentWrapper').addClass('noFrame');
        var $image = $(tmpl(_stickMsgTmp, this.msg));
        this.$wrapper.find('.chatMsgItemContent').prepend($image);
    };
    
    return _chatStickerMsg;
})();